Examlex
You are conducting an experiment by trying to reproduce the work performed in 1891 by Hans Driesch, a German embryologist. Working with a fertilized sea urchin egg, you allow it to complete the first cell division after fertilization. You then carefully separate the two cells of the embryo and allow their development to continue. Based on Driesch's experiment, which result below would you expect to happen?
Systole
The phase of the heartbeat during which the heart contracts and pumps blood from the chambers into the arteries.
ECG
Electrocardiogram, a test that measures the electrical activity of the heart to show whether or not it is working normally.
Electrical Events
Activities or processes in the body that involve the flow or movement of electrical charges, such as nerve impulses and muscle contractions.
Heart
A muscular organ in most animals, which pumps blood through the circulatory system by rhythmic contraction and dilation.
Q16: What causes the membrane potential to return
Q46: Photosynthetic light absorption occurs in large pigment-protein
Q48: Cyanobacteria are capable of photosynthesis, but many
Q57: The most effective juvenile programs involve a
Q59: Why was the number of heterotrophs on
Q68: How does high intensity light supposedly damage
Q70: The initial selection of a probation officer
Q72: _ is the specialized and standardized training
Q74: Which U.S. state was the first to
Q85: Supergroups of eukaryotic organisms are mostly separate